84 Excavation, Construction and Energy Supply, a division of 84 Lumber and a member of the Marcellus Shale Coalition, was created to be the top supplier of product offerings to companies operating in not only the Marcellus and Utica Shale fields but also those plays nationwide. 84 Energy provides a reliable, competitive and expert source for safety, remediation, building supplies and housing. Through a network of 77 stores operating in the Marcellus Shale and Utica Shale, we offer the advantages of central buying, unparalleled knowledge, service and products.